Merge pull request #391 from Cytnx-dev/zn_reverse

Zn symmetry combine/inverse rule
Cytnx-dev · Dec 1, 2023 · 694f543 · 694f543
2 parents 016b6de + c06e131
commit 694f543
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/Symmetry.cpp b/src/Symmetry.cpp
@@ -155,16 +155,14 @@ namespace cytnx {
   }
   void cytnx::ZnSymmetry::combine_rule_(cytnx_int64 &out, const cytnx_int64 &inL,
                                         const cytnx_int64 &inR, const bool &is_reverse) {
-    out = (inL + inR) % (this->n);
-
     if (is_reverse)
       this->reverse_rule_(out, (inL + inR) % (this->n));
     else
       out = (inL + inR) % (this->n);
   }
   void cytnx::ZnSymmetry::reverse_rule_(cytnx_int64 &out, const cytnx_int64 &in) {
     // out = -in<0?-in+this->n:-in;
-    out = in * -1;
+    out = -in + this->n;
   }
 
   void cytnx::ZnSymmetry::print_info() const {